Tried to purchase this amp. Sent money and then never heard anything.
Sent money 4-23
4-24 asked about shipping status.
4-27 asked about shipping status.
4-28 said I would cancel. Started paypal resolution.
As of 5-4 no response. Just opened dispute.

Items as described.
I'm satisfied.
The headphones came as is, without the additional stuff (case, adapter), but since they're ridiculously cheap it's not a big hassle.
The amplifier has disbalance issues with but the seller couldn't know that.